The function of a cough expectorant; for cough due to colds, acute and chronic bronchitis.
有镇咳祛痰的功能；用于伤风感冒引起的咳嗽多痰，急、慢性气管炎。
Chronic sinus infections, bronchiectasis (see bronchiectasis), and allergies also increase the risk of repeated episodes of acute bronchitis.
慢性鼻窦炎，支气管扩张，过敏也会增加急性支气管炎反复发作的风险。
Chronic sinus infections, bronchiectasis (see bronchiectasis and Atelectasis: bronchiectasis), and allergies also increase the risk of repeated episodes of acute bronchitis.
慢性鼻窦炎，支气管扩张，过敏也会增加急性支气管炎反复发作的风险。
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